<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            list-style: none;
            text-decoration: none;
        }
        body,html{
       margin: 0;
       padding: 0;
        }
        .container{
            width: 500px;
            height: 300px;
          
        }
        .item{
            display: grid;
            grid-template-columns:auto 1fr;
            grid-template-columns: repeat(3,1fr);
        }
        .left{
            grid-row: 1;
            grid-column: 1 / span 3;
        }
        .middle{
            grid-row: 2;
            grid-column: 1;
        }
        .right{
            grid-row: 2;
            grid-column: 2 / span 2;
        }
        .left aside,.middle img, .right img{
            width: 100%;
            height: auto;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="item">
        <div class="left"><aside><img src="./3.png" alt="left img"></aside></div>
        <div class="middle"><img src="./2.png" alt="middle img"></div>
        <div class="right"><img src="./1.png" alt="right img"></div>
    </div>
</div>
</body>
</html>